Home / 141,860.23-195,764.38-77,330.03

Finding the Fourth Proportional to 141,860.23, 195,764.38 and 77,330.03

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Solution

The fourth proportional to 141,860.23, 195,764.38 and 77,330.03 is: 106,713.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,860.23 : 195,764.38 = 77,330.03 : x
  2. Step 2: Convert to fraction form
    141,860.23/195,764.38 = 77,330.03/x
  3. Step 3: Cross multiply
    141,860.23x = 195,764.38 × 77,330.03
  4. Step 4: Simplify right side
    141,860.23x = 15,138,464,206.18
  5. Step 5: Solve for x
    x = 15,138,464,206.18/141,860.23
  6. Step 6: Final answer
    x = 106,713.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.